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Router Interface ICMP Commands
icmp
Syntax
icmp
config>router>interface
Context
This command enables access to the context to configure Internet Control Message Protocol (ICMP)
Description
parameters on a network IP interface. ICMP is a message control and error reporting protocol that
also provides information relevant to IP packet processing.
mask-reply
[no] mask-reply
Syntax
config>router>if>icmp
Context
This command enables responses to ICMP mask requests on the router interface.
Description
If a local node sends an ICMP mask request to the router interface, the mask-reply command
configures the router interface to reply to the request.
The no form of the command disables replies to ICMP mask requests on the router interface.
mask-reply — Replies to ICMP mask requests.
Default
redirects
redirects [number seconds]
Syntax
no redirects
config>router>if>icmp
Context
This command enables and configures the rate for ICMP redirect messages issued on the router
Description
interface.
When routes are not optimal on this router, and another router on the same subnetwork has a better
route, the router can issue an ICMP redirect to alert the sending node that a better route is available.
The redirects command enables the generation of ICMP redirects on the router interface. The rate at
which ICMP redirects are issued can be controlled with the optional number and time parameters by
indicating the maximum number of redirect messages that can be issued on the interface for a given
time interval.
By default, generation of ICMP redirect messages is enabled at a maximum rate of 100 per 10 second
time interval.
The no form of the command disables the generation of ICMP redirects on the router interface.
redirects 100 10 — Maximum of 100 redirect messages in 10 seconds.
Default
7450 ESS OS Router Configuration Guide
IP Router Configuration
Page 163
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